Initial Import

node_modules/shelljs/src/cat.js

@@ -0,0 +1,43 @@
+var common = require('./common');
+var fs = require('fs');
+
+//@
+//@ ### cat(file [, file ...])
+//@ ### cat(file_array)
+//@
+//@ Examples:
+//@
+//@ ```javascript
+//@ var str = cat('file*.txt');
+//@ var str = cat('file1', 'file2');
+//@ var str = cat(['file1', 'file2']); // same as above
+//@ ```
+//@
+//@ Returns a string containing the given file, or a concatenated string
+//@ containing the files if more than one file is given (a new line character is
+//@ introduced between each file). Wildcard `*` accepted.
+function _cat(options, files) {
+  var cat = '';
+
+  if (!files)
+    common.error('no paths given');
+
+  if (typeof files === 'string')
+    files = [].slice.call(arguments, 1);
+  // if it's array leave it as it is
+
+  files = common.expand(files);
+
+  files.forEach(function(file) {
+    if (!fs.existsSync(file))
+      common.error('no such file or directory: ' + file);
+
+    cat += fs.readFileSync(file, 'utf8') + '\n';
+  });
+
+  if (cat[cat.length-1] === '\n')
+    cat = cat.substring(0, cat.length-1);
+
+  return common.ShellString(cat);
+}
+module.exports = _cat;